Precision spectrometer and goniometer

For observing and measuring spectra, for measuring the angle of deflection from prisms and gratings and for determining
visible dispersion and the index of refraction, rigidly mounted collimator tube (f = 178 mm) with an adjustable slit, swivelling platform (D=150 mm) with a set screw, precision of
readings: 1', telescope with set screw and fine adjustment may be swivelled around the platform, rotatable prism table
with three levelling screws as well as tapped holes for mounting the holder for prisms or gratings (included),supplied in a wooden case
Dimensions: height: 275 mm, length: 580 mm, weight: 8 kg

Additionally required:
DL515-2P Prism, flint glass
Average index of refraction: 1.62, average dispersion: 0.017

DL402-3R Slide with line grating, 600 lines/mm, glass
High-quality grating for quantitative experiments in spectrometry, grating size: 25x25 mm, dimensions: 50x50 mm